football - What is the sports bra looking thing soccer players

I've seen many male soccer players - specially famous players who play for well-known teams - wear a piece of clothing that looks like a sports bra. They're usually worn during practice, and a few

Why do players wear a bra?

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football - What is the sports bra looking thing soccer players

Why are the players wearing sports bras?!

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Nike Alate All U Women's Light-Support Lightly Lined Ribbed Sports Bra.

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Why Do Soccer Players Wear Bras?